package dome1;

/**
 * Created with IntelliJ IDEA.
 * Description: 包装类代码测试
 * User: 王圆豪
 * Date: 2024-06-04
 * Time: 20:33
 */
public class Test {
    public static void main(String[] args) {
        int a = 20;
        Integer i = Integer.valueOf(a);
        Integer i2 = 20;
        System.out.println(i);
        System.out.println(i2);
        System.out.println("=============");
//        int b = 10;

    }
}
